 | | Journal (article/letter/editorial) | | Prof. Robert C. Wallace—Gypsum and Anhydrite. 271 deposits appears at present to be very scanty, and...sub-zone, Wath, near Orton, Westmorland. IV.—GYPSUM AND ANHYDRITE IN GENETIC RELATIONSHIP. By ROBERT C. WALLACE...basins, gypsum and anhydrite are found closely associated, while in other similar horizons gypsum may occur...occur with apparently no trace of anhydrite. Some Upper Silurian occurrences in North America, the Lower...recent gypsum horizons anhydrite seems to appear less frequently. Even in the one horizon anhydrite is found |  | | Report (chapter) | | relatively insoluble minerals such as calcite and gypsum. The concept is used to determine the ultimate...anhydrous salts anhydrite, arcanite and thenardite, to simple hydrous salts such as gypsum, mirabilite and...abbreviations are used in Figures 1 through 8. Mineral Gypsum Anhydrite Abbrev. gy an Component formula CaSO4 .2H2O...MgSO4 .2H2O K2Ca2Mg(SO4)4 .2H2O 0.3913 55.37 Glauberite gl Na2SO4 .CaSO4 Na2Ca(SO4)2 0.8534 118...water. The common simple Ca sulfate salts, gypsum and anhydrite, are the least soluble of these minerals; |  | García-Veigas, Javier, Rosell, Laura, Ortí, Federico, Gündoğan, İbrahim, Helvacı, Cahit (2011) Mineralogy, diagenesis and hydrochemical evolution in a probertite–glauberite–halite saline lake (Miocene, Emet Basin, Turkey) Chemical Geology, 280 (3) 352-364 doi:10.1016/j.chemgeo.2010.11.023 | Journal (article/letter/editorial) | | diagenesis and hydrochemical evolution in a probertite–glauberite–halite saline lake (Miocene, Emet Basin, Turkey)...complex mineral association in which probertite, glauberite, and halite constitute the major primary phases...volcano-sedimentary context. Other sulfates (anhydrite, gypsum, thenardite, celestite and kalistrontite)...surrounding the lake, while Na–Ca sulfates and borates (glauberite and probertite) precipitated in the center of...including the gypsum-probertite Permian deposits of Oklahoma (Ham et al., 1961), the gypsum-hydroboracite |  | | Report (volume) | | Properties Alteration Similar occurrences of anhydrite Lamellar cavities Summary of conclusions Abundance...cavities Minerals in cavities Original minerals Anhydrite Calcite Babingtonite vu 1 1 5 6 7 7 8 9 11 17...cavities Minerals in cavities Original mineral Glauberite Crystallography of quartz pseudomorphs Crystal...Crystal forms Other occurrences of glauberite pseudomorphs Miscellaneous cavities Babingtonite as the original...ILLUSTRATIONS PLATE 1. Evidence of the former presence of glauberite in the Triassic sedimentary rocks 88 2. Trap |  | | Journal (article/letter/editorial) | | of Salida, Colorado. The change of anhydrite, C a S 0 , to gypsum, C a S 0 - 2 H 0 , and the change of... Also in New Mexico (at Round Mountain, Sierra County) can be found a very unusual incrustation pseudomorph—pink...pseudomorphs have long been found in the various traprock quarry localities of New Jersey. Of particular pseudomorphic...quartz-incrustation pseudomorphs after large anhydrite crystals. These same localities have provided...datolite, serpentine, asbestos, fossils Opal Glauberite, fossils Goethite Pyrite, siderite, magnetite |  | | Report (issue) | | Experiments of Usiglio.________________ Gypsum and anhydrite.__-____..______- Yl 1 2 3 5 6 6 7 7 9 9...In pocket FIGURE 1. Solubility of gypsum, hemihydrate, and anhydrite in the system CaSOr-H.O Y13 2. Pressure-temperature...reaction gypsum = anhydrite + water _________-__-__-___--___-__. 14 3. Solubility curves for gypsum and anhydrite...anhydrite in solutions of sea salts....______--___._ 14 4. Dependence of the dehydration temperature...temperature of gypsum on concentration of NaCl in solution at one bar pressure. 14 5-9. Stability fields of oceanic |  | | Journal (article/letter/editorial) | | Evaporite Member, which is composed of secondary gypsum at outcrop, can be subdivided into a bedded lower...of the gypsum throughout the basin can be identified as having been transformed from glauberite. In the...the glauberite layers of the Cßayirhan mine, some glauberite textures (‘clear glauberite’) suggest a primary...depositional floor. More common, however, are the glauberite textures indicating an interstitial growth within...matrix. In the thenardite layers accompanying the glauberite in the Cßayirhan mine, some disruption structures |  | | Journal (article/letter/editorial) | | Na-Ca-CI-S04-H20 system and predicted solubilities of anhydrite and hemihydrate in concentrated seawater at high...the data. Calculations of the temperature of gypsum-anhydrite coexistence as a function of water activity...estimate tbe composition-temperature relation for gypsum-anhydrite transition in a natural brine evaporation...another possible application of the model, the gypsum-anhydrite transition in a natural brine evaporation...OF PARAMETERS FOR THE TEMPERATURE-DEPENDENT GYPSUM/ANHYDRITE SOLUBILITY MODEL OF THE Na-Ca-CI-S04-H20 SYSTEM |  | | Report (edition) | | GYPSUM IN MANITOBA B.B. Bannatyne Gypsum is a soft, white mineral that is used in the construction industry...primarily in gypsum wallboard, in plaster of Paris, and as an additive to Portland cement. Gypsum is a calcium...is deposited, along with the related mineral anhydrite, from warm sea water in a dry climate. Such conditions...million years ago, in the Jurassic Period, and gypsum and anhydrite were deposited in a layer 25 to 125 feet...as part of the Amaranth Formation. Production of gypsum began in 1901 and in recent years has ranged between |  | | Journal (article/letter/editorial) | | Geology I I7 ( 1998) 19X-205 The alteration of glauberite in lacustrine deposits of the Taoudenni-Agorgott...under different conditions than the underlying glauberite-bearing layered deposits. The present micromorphological...demonstrates that it formed by an alteration of the glauberite-bearing primary deposits. The first stage in...incongruent dissolution of glauberite (Na2Ca(S04)2). This resulted in the formation of gypsum (CaS04.2H20), both...anhedral and elongated prismatic crystals. The gypsum crystals were subsequently subjected to a dehydration |  | Galamay, Anatoliy R., Karakaya, Muazzez Çelik, Bukowski, Krzysztof, Karakaya, Necati, Yaremchuk, Yaroslava (2023) Geochemistry of Brine and Paleoclimate Reconstruction during Sedimentation of Messinian Salt in the Tuz Gölü Basin (Türkiye): Insights from the Study of Fluid Inclusions. Minerals, 13 (2) 171 doi:10.3390/min13020171 | Journal (article/letter/editorial) | | basin and the formation of glauberite layers. The formation of the glauberite resulted from the slow dissolution...pre-deposited finely dispersed metastable minerals—gypsum, sodium syngenite, or mirabilite. In fluid inclusions...represented by gypsum, bassanite, and anhydrite. Additionally, as the other sulfate minerals, glauberite, anhydrite...such as dolomite/magnetite (C, O, Mg) [5], gypsum/anhydrite (Sr, S, O) [6,7], and halite (Cl, Br, B, Li)...[14,15]. In the Ereğli–Ulukışla sub-basin, an anhydrite unit (so-called Zeyvegediği anhydrides) was formed |  | | Journal (article/letter/editorial) | | Polyhalite is the only quaternary solid, but anhydrite occupies the bulk of the interior tetrahedral...solar diagram. Seawater lies in the subspace anhydrite-halite-carnallite-kieserite-bischofite (point...fractional crystallization. After gypsum is converted to anhydrite, halite precipitates. The next phase...equilibrium conditions, is glauberite, crystallizing at the expense of anhydrite. Continued evaporation leads...leads to glauberite resorption and eventual replacement by polyhalite. Then follow the magnesium sulfates |  | | Journal (article/letter/editorial) | | non-marine evaporite deposit of Saline Valley, Inyo County, California LAWRENCE A. HARDIE Department of Earth...carried out. Halite, thenerdite mirabilite, glauberite, gypsum, calcite, dolomite, ulexite, anelcime and...waters reaching the playa, and (2) precipitation of gypsum at the playa edge, which controls the initial SO...roughly concentric zones carry gypsum; gypsum + glauberite; glauberite; gleuberite + halite. This sequence...is a small, closed, intermontane basin in Inyo County, California, about 15 miles northeast of Owens |  | Ma, Lichun, Tang, Qingfeng, Li, Baoguo, Hu, Yufei, Shang, Wenjun (2016) Sediment characteristics and mineralogy of salt mounds linked to underground spring activity in the Lop Nor playa, Western China. Geochemistry, 76 (3) 383-390 doi:10.1016/j.chemer.2016.08.001 | Journal (article/letter/editorial) | | assemblage including halite, gypsum, anhydrite, glauberite, epsomite, anhydrite, calcite, bischofite, polyhalite...·KCl·3H2 O), leonite (K2 SO4 ·MgSO4 ·4H2 O), glauberite (NaSO4 ·CaSO4 ), polyhalite (K2 SO4 ·MgSO4 ·2CaSO4...solubilities including calcite (CaCO3 ), gypsum (CaSO4 ·2H2 O), glauberite (NaSO4 ·CaSO4 ), hydromagnesite (4MgCO3...mixture of halite, schoenite, bischofite, gypsum, glauberite, calcite, and mostly detrital sediments....the salt mound also include gypsum, anhydrite, glauberite, epsomite, anhydrite, calcite, bischofite, polyhalite |  | | Journal (article/letter/editorial) | | closedbasins with saline lake ite, schist, and dine, gypsum, quartzite; grits, aranhydrite, (Glennie, 1972...arid stone up to shale cement, barite nodules, gypsum, and environment (Ham and Johnson,1964; Johnson...500 m Sandstone,red laminated mudstone (top); anhydrite interbeds; boulder conglomerategrading to pe...Dolomite, hema- tite, glauberitc, anhydrite, talc, magnesite, and gypsum Arid marginalalluvial fan gradingto...volcanics; red dolomitic silt- stone;glauberite, magnesite,and anhydrite near base Kamoto, Musonoi, Dikuluwe |  | | Journal (article/letter/editorial) | | to approximately 1.8 Ga ;-.'ii'C then the halite/gypsum precipitates from a concentrating seawater brine...AND CLASSIFICATION • Q 1.1- i Halite onset Gypsum onset K salts MgSO4 1 000 000 " 100 c o o -...times the concentration of seawater (130-160%o) gypsum (CaSO4 2H2O) precipitates from penesaline waters...post-halite order of the onset of bittern salts is glauberite, polyhalite, epsomite, hexahydrite, kieserite...salts Halite (NaCl) CaSO4 ± halite CaSO4 (gypsum/anhydrite) Alkaline-earth carbonates Seawater (%c) |  | Li, Ruiqin, Liu, Chenglin, Xu, Haiming, Jiao, Pengcheng, Hu, Yufei, Fan, Li, Sun, Xiaohong (2020) Genesis of Glauberite Sedimentation in Lop Nur Salt Lake - Constraints from Thermodynamic Simulation of the Shallow Groundwater in the Tarim River Basin, China. Chemical Geology, 537. 119461 doi:10.1016/j.chemgeo.2019.119461 | Journal (article/letter/editorial) | | Journal Pre-proof Genesis of glauberite sedimentation in Lop Nur Salt Lake Constraints from thermodynamic...as: R. Li, C. Liu, H. Xu, et al., Genesis of glauberite sedimentation in Lop Nur Salt Lake - Constraints...Published by Elsevier. Journal Pre-proof Genesis of glauberite sedimentation in Lop Nur Salt Lake - constraints...this study was to further reveal the genesis of glauberite sedimentation in Lop Nur Salt Lake by thermodynamic...small amount of glauberite can be formed under an open system, a large amount of glauberite can be precipitated |  | | Book | | sea water—are the calcium sulphates gypsum (CaSO,.2H,O) and anhydrite (CaSO,). Next in order of abundance...5-50 7-16 6-11 PROPERTIES DIMENSIONS a b Anhydrite CaSO, 24-5° C. OPTICAL TEXTURE AND CRYSTAL...salty. Trigonal P3ml Glauberite Na,SO,.CaSO, Incongruent melting with gypsum ppn. 335 (50° C.) Sharp...(SO,),H,O Incongruent melting with gypsum ppn. Bitter. Gypsum CaSO,.2H,O 2-0 (20° C.) Tasteless...fibrous. mom Cubes. Sylvite together with anhydrite and/or kieserite, polyhalite, and halite. 308 |  | | Book | | articles. Sándor Szakáll (1953, Berettyóújfalu, Hungary) Head of the Department of Mineralogy, Herman Ottó...Mineralogical Regions Czech Republic (Milan Novák) Hungary (Sándor Szakáll) Poland (Ewa Kos/.owska) Romania...Mineral Species Czech Republic (Milan Novák). Hungary (Sándor Szakáll), Poland (Ewa Kos/.owska). Romania...Museums of the Carpathians Czech Republic (Moravia) Hungary Poland Romania Slovakia Ukraine 397 397 399 409...TUK = Technical University, Košice. SLK: ZM = Zemplén Museum. Szerencs. HUN: PC = private collection |  | | Journal (article/letter/editorial) | | calcium sulfate solid phases, CaSO4.nH2O (gypsum (n ⫽ 2), anhydrite (n ⫽ 0) and hemihydrate (n ⫽ 0.5; metastable))...metastable)), is low and decreases with temperature (gypsum above ⬃25°C). The models of Moller (1988) and Greenberg...(1903) (25o– 43oC, gypsum solubility), Marshall and Jones (1966) (25o– 60°C, gypsum solubility; 125°–250oC...125°–250oC, anhydrite solubility; 125°C, metastable hemihydrate solubility), Zdanovskii and Vlasov (1967)...(1967) (gypsum solubility at 25°C), Zdanovskii and Vlasov (1968a) (gypsum solubility at 10°C) and Zdanovskii |  | | Journal (article/letter/editorial) | | area is quite simple. Both Ca-sulphates gypsum and anhydrite occur, the latter only in deeper parts of...crystals some centimeters in size. The main mineral gypsum exhibits a large variety of types; white, compact...1985) occur. Newly formed traces of thenardite, glauberite and jarosite (near primary pyrite) can be observed...common (and expected) minerals like gypsum, anhydrite, glauberite, hexahydrite, bloedite, picromerite...Na ÷ and C1- is the continuing precipitation of gypsum all over the transport zone and the playa. Consequently |  | | Journal (article/letter/editorial) | | record alone, consisting mainly of halite and minor gypsum. surements of melting temperatures of hydrates...drilled series is composed entirely of halite, with gypsum crystals included. Contrary to the scarce information...containing organic matter and interbedded sandstones, gypsum, stromatolitic limestones, diatomites, and sulfur...nodules; 2) an intermediate member made up of beds of gypsum with laminar and nodular textures, formed in a...composed of inter~d~ calcarenites, sandstones, and gypsum. A halite unit, with a thickness ranging from 50 |  | | Report (chapter) | | dusts collected from two buildings in Budapest, Hungary Á. BARICZA1, B. BAJNÓCZI2, M. TÓTH2, R. KÁLDOS1...H-1117 Budapest, Pázmány Péter sétány 1/C, Hungary 2 Institute for Geological and Geochemical Research...of Science, H-1112 Budapest, Budaörsi u. 45, Hungary *Corresponding author (e-mail: cszabo@elte.hu)...Zsolnay glazed architectural ceramics in Budapest (Hungary), one located in the densely built-up area of the...carbonaceous, and iron-rich fly-ash. The appearance of gypsum crystallites around the particulate matter in association |  | | Journal (article/letter/editorial) | | synthetic miltonite, miropolskite, vibertite, soluble anhydrite, plaster of Paris, and y-CaS0 4 • A hexagonal...soil of eastern Turkmenia, northwestern Bulgaria, Hungary, southern Tunisia, the Quinghai region of China...in parallel arrangement with the parent mineral gypsum (Roberts et al. 1990). The first scanning electron...fibers with the same orientation as the primary gypsum crystals (Smykatz-Kloss et al. 1985). Well-documented...of non-biogenic bassanite are scarce. The gypsum-anhydrite equilibrium (Innorta et al. 1980), the pressure |  | | Report (issue) | | that runs from Lake Mead in Mohave County southeastward to Cochise County. Five locations are listed in table...and in the production of ceramic materials. Gypsum Gypsum, CaSO4.2H2O, is soft (can be scratched with...crystalline. Curved fibrous crystals are common. Gypsum is an evaporite mineral that precipitates from...rocks. Gypsum deposits must occur in fairly pure thick beds to be economically important. The gypsum deposits...Fourteen locations for gypsum are listed in table 1 and plotted on the map. Gypsum is used either "as is" |
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